s/v/c70 compared to 850. restyled...slight changes. same basic chassis. the following is the same basic chassis

1993: 850 GLT, 2.4L normally aspirated engine (168 hp, 162 lb-ft)
1994: 850, 2.4L normally aspirated engine (168 hp, 162 lb-ft)
----- 850 Turbo, 2.3L engine, mitsubishi turbocharger TD04HL-15G (222 hp, 221 lb-ft, 9.6psi)
1995: 850, 2.4L normally aspirated engine (168 hp, 162 lb-ft)
----- 850 GLT, 2.4L normally aspirated engine (168 hp, 162 lb-ft), diff in trim and equip.
----- 850 Turbo, 2.3L engine, mitsubishi turbocharger TD04HL-15G (222 hp, 221 lb-ft, 9.6 psi)
----- 850 T5-R, 2.3L engine, mitsubishi turbocharger TD04HL-15G (240 hp, 221 lb-ft, 10.9 psi, limited edition, upgraded suspension and tire/wheel package, different interior, factory external amp a possibility)
1996: same as 1995 except t5-r.
----- 850 Platinum Edition, 2.3L engine, mitsubishi turbocharger TD04HL-15G (222 hp, 221 lb-ft, 9.6 psi), many options standard, only color is pearl white
----- 850 R, 2.3L engine, mitsubishi turbocharger TD04HL-15G (240 hp, 221 lb-ft, 10.9 psi, not limited anymore, similar to t5-r except no yellow; euro-spec 850 R manuals had a mitsubishi turbocharger TD04HL-16T)
1997: 850, 2.4L normally aspirated engine (168 hp, 162 lb-ft)
----- 850 GLT, 2.4L engine, mitsubishi turbocharger TD04HL-13G (190 hp, 197 lb-ft, low psi like 4 or 5)
----- 850 T5 (aka Turbo), 2.3L engine, mitsubishi turbocharger TD04HL-15G (222 hp, 221 lb-ft, 9.6psi)
----- 850 R, 2.3L engine, mitsubishi turbocharger TD04HL-15G (240 hp, 221 lb-ft, 10.9 psi; euro-spec 850 R manuals had a mitsubishi turbocharger TD04HL-16T)

1998: s/v70, 2.4L normally aspirated engine (168 hp, 162 lb-ft)
----- s/v70 glt, v70 xc, v70 awd, 2.4L inline-5, mitsubishi turbocharger TD04HL-13G (190 hp, 199 lb-ft)
----- s/v70 t-5, 2.3L inline-5, mitsubishi turbocharger TD04HL-16T (236 hp, 243 lb-ft, bigger turbo)
----- v70 R awd, 2.3L inline-5, mitsubishi turbocharger TD04HL-16T (236 hp, 228 lb-ft, s70r not in u.s.; euro-spec R manuals had a mitsubishi turbocharger TD04HL-18T)
----- *factory introduced option ohlins 8-way adjustable shocks with remote resevior, $1600
----- c70 coupe, 2.3L inline-5, mitsubishi turbocharger TD04HL-16T (236 hp, 243 lb-ft)
----- c70 convertible, 2.4L inline-5, mitsubishi turbocharger TD04HL-13G (190 hp, 199 lb-ft)
1999: s/v70, same as 1998
----- s/v70 glt, s/v70 awd, v70 xc, 2.4L inline-5, mitsubishi turbocharger TD04HL-13G (190 hp, 199 lb-ft)
----- s/v70 t-5, same as 1998
----- v70 R awd, 2.3L inline-5, mitsubishi turbocharger TD04HL-16T (247 hp, 243 lb-ft; euro-spec R manuals had a mitsubishi turbocharger TD04HL-18T)
----- c70 coupe, lpt, 2.4L inline-5, mitsubishi turbocharger TD04HL-13G (190 hp, 199 lb-ft)
----- c70 coupe, hpt, 2.3L inline-5, mitsubishi turbocharger TD04HL-16T (236 hp, 243 lb-ft)
----- c70 convertible, 2.4L inline-5, mitsubishi turbocharger TD04HL-13G (190 hp, 199 lb-ft)
2000: s/v70, 2.4L n/a engine (168hp, torque up from 162 to 170 lb-ft)
----- s/v70 glt, s/v70 awd, v70 xc, 2.4L inline-5, mitsubishi turbocharger TD04HL-13G (190 hp, 199 lb-ft)
----- s70 t-5, same as 1998 (no v70 t5 for model year 2000)
----- v70 R awd, 2.3L inline-5, mitsubishi turbocharger TD04HL-18T? (261 hp, 258 lb-ft) *it may have also been the 19T
----- c70 coupe, lpt, 2.4L inline-5, mitsubishi turbocharger TD04HL-13G (190 hp, 199 lb-ft)
----- c70 coupe, hpt, 2.3L inline-5, mitsubishi turbocharger TD04HL-16T (236 hp, 243 lb-ft)
----- c70 convertible, lpt, 2.4L inline-5, mitsubishi turbocharger TD04HL-13G (190 hp, 199 lb-ft)
----- c70 convertible, hpt, 2.3L inline-5, mitsubishi turbocharger TD04HL-16T (236 hp, 243 lb-ft)
2001: c70 coupe, hpt, 2.3L inline-5, mitsubishi turbocharger TD04HL-16T (236 hp, 243 lb-ft)
----- c70 convertible, lpt, 2.4L inline-5, mitsubishi turbocharger TD04HL-13G (190 hp, 199 lb-ft)
----- c70 convertible, hpt, 2.3L inline-5, mitsubishi turbocharger TD04HL-16T (236 hp, 243 lb-ft)
2002: c70 coupe, hpt, 2.3L inline-5, mitsubishi turbocharger TD04HL-16T (236 hp, 244 lb-ft)
----- c70 convertible, lpt, 2.4L inline-5, mitsubishi turbocharger TD04HL-13G (190 hp, 199 lb-ft)
----- c70 convertible, hpt, 2.3L inline-5, mitsubishi turbocharger TD04HL-16T (236 hp, 243 lb-ft)
2003: c70 convertible, lpt, 2.4L inline-5, ? turbocharger ??????-??? (197 hp, 210 lb-ft)
----- c70 convertible, hpt, 2.3L inline-5, ? turbocharger ??????-??? (242 hp, 243 lb-ft)



u can visit volvo's ownercircle page to get extensive options list